So this stems from my issue in this thread:
What appears to be happening, is the wear on shape of the end to hold it in place from spinning and loosening the nut on the other side:
This appears to be happening on more than one set of my bindings. Are any of you seeing this? The material for the shaft itself appears to be soft.
Just to confirm, the replacement part is this, correct?
https://www.bomberonline.com/TD3-Lug-Shaft_p_57.html
When zoomed out, the part looks correct, however when selecting the part, the photo seems off.